Joystick control



FIG. 1 shows an end elevation of a joystick control showing my new design.

FIG. 2 is an opposite end view of FIG. 1.

FIG. 3 is a side elevation thereof.

FIG. 4 is a top plan view.

FIG. 5 is a bottom plan view. 

The ornamental design for a joystick control, substantially as shown and described. 